The document discusses a forum on conserving the environment and an exhibit on stone and water. It summarizes photographs taken during the El Niño months of 1998 showing rivers and streams in regions like Cavite, Laguna, and mountains like Mount Banahaw. It also shows turn-of-the-century bridges, gorges, and esteros in Manila, and photographs from field trips to waterfalls like Alalum Falls and dams like Ambuklao Dam and Pantabangan Dam in various conditions.

2. Building Bridges along Flowing Waters and Harnessing Hydraulic Energy for Communities A. PHOTOGRAPHS TAKEN DURING THE EL NIÑO MONTHS OF 1998 The headwaters of Pagsanjan River (above the famous falls) are encountered in this road from Lake Caliraya to the town of Cavinti, Laguna . (1998) (scanned from color prints)

3. Building Bridges along Flowing Waters and Harnessing Hydraulic Energy for Communities … PHOTOGRAPHS TAKEN DURING THE EL NIÑO MONTHS OF 1998 The Maragodon River is crossed by this overflow culvert bridge in the Cavite highlands. A local man is washing harvested bamboos in the waters. (1998) (scanned from color prints)

4. Building Bridges along Flowing Waters and Harnessing Hydraulic Energy for Communities … PHOTOGRAPHS TAKEN DURING THE EL NIÑO MONTHS OF 1998 These two contrasting streams, flowing from Mt. Banahaw , are crossed by the road between Lucban and Majayjay. People live with the rivers.(1998) (scanned from color prints)

5. Building Bridges along Flowing Waters and Harnessing Hydraulic Energy for Communities … PHOTOGRAPHS TAKEN DURING THE EL NIÑO MONTHS OF 1998 Wet season and dry season contrast well among the boulders of a drainage canal in Longos, Laguna .It is built from a senator's CDF. (1998) (scanned from color prints)

6. Building Bridges along Flowing Waters and Harnessing Hydraulic Energy for Communities … PHOTOGRAPHS TAKEN DURING THE EL NIÑO MONTHS OF 1998 This cool mountain stream, built into a resort, is near Majayjay, Laguna .(1998) (scanned from color prints)

7. Building Bridges along Flowing Waters and Harnessing Hydraulic Energy for Communities … PHOTOGRAPHS TAKEN DURING THE EL NIÑO MONTHS OF 1998 These are rock-bed streams in the highlands of Cavite and those crossed along the various roads radiating from Trece Martires, Cavite. The waters are in varying degrees of turbidity, while some of the rocks show the scars of past quarrying.(1998) (scanned from color prints)

8. Building Bridges along Flowing Waters and Harnessing Hydraulic Energy for Communities … PHOTOGRAPHS TAKEN DURING THE EL NIÑO MONTHS OF 1998 More rock-bed streams in the highlands of Cavite . The rocks show the scars of past quarrying.(1998) (scanned from color prints)

9. Building Bridges along Flowing Waters and Harnessing Hydraulic Energy for Communities B. TURN-OF-THE-CENTURY BRIDGES, GORGE, ESTERO AND WATERFALLS Circa 1900, these are the bridges across San Juan River , in the Manila suburb. One bridge carries the pipeline of the Carriedo waterworks, Manila's first piped water system. (scanned from prints of the Harnish collection, UP Library)

10. B. TURN-OF-THE-CENTURY BRIDGES, GORGE, ESTERO AND WATERFALLS From the Report of the Philippine Commission for year 1907, this is near the Montalban Gorge where Wawa Dam was built, to dam and divert water for Manila's water supply during the American regime.(scanned from book)

11. B. TURN-OF-THE-CENTURY BRIDGES, GORGE, ESTERO AND WATERFALLS From the Report of the Philippine Commission for year 1907, this is the Montalban Gorge where Wawa Dam was built , to dam and divert water for Manila's water supply during the American regime. (scanned from book)

12. B. TURN-OF-THE-CENTURY BRIDGES, GORGE, ESTERO AND WATERFALLS From the Report of the Philippine Commission for year 1907, this is the Montalban Gorge where Wawa Dam was built , to dam and divert water for Manila's water supply during the American regime. (scanned from book)

13. B. TURN-OF-THE-CENTURY BRIDGES, GORGE, ESTERO AND WATERFALLS From the Report of the Philippine Commission for year 1904, this is daily laundry in a clean Manila estero at that time.(scanned from book)

14. B. TURN-OF-THE-CENTURY BRIDGES, GORGE, ESTERO AND WATERFALLS From the Report of the Philippine Commission for year 1900, this is Botocan Falls between Majayjay, Laguna and Lucban, Quezon (Tayabas) before the water falls was diverted (and lost) to the Botocan hydro-electric plant. (scanned from book)

16. C. FIELD TRIP PHOTOS – WATERFALLS & AMBUKLAO DAM (2005, 1989) Alalum Falls , seen from the highway between Cagayan de Oro City, Misamis Occ. and Malaybalay, Bukidnon. (October 19, 2005) (5 megapixel digital camera)

17. C. FIELD TRIP PHOTOS – WATERFALLS & AMBUKLAO DAM (2005, 1989) Matutinao Falls , Cebu, which became a mini-hydro plant site. (1989) (scanned Ektachrome slide)

18. C. FIELD TRIP PHOTOS – WATERFALLS & AMBUKLAO DAM (2005, 1989) Ambuklao Dam in Benguet is barely visible in the morning mist.(1989) (scanned Ektachrome slide)

19. D. PANTABANGAN AND THE OTHER DAMS OF UPPER PAMPANGA RIVER BASIN (1976) Various scanned Ektachrome slides of the diversion dams of the Peñaranda River Irrigation System (PenRIS) , and Pampanga-Bongabon River Irrigation System (PBRIS), and the overflow spillway of the multi-purpose Pantabangan Dam in Nueva Ecija in the aftermath of the big flood of 1976.

20. D. PANTABANGAN AND THE OTHER DAMS OF UPPER PAMPANGA RIVER BASIN (1976) Various scanned Ektachrome slides … Pampanga-Bongabon River Irrigation System (PBRIS) , in Nueva Ecija in the aftermath of the big flood of 1976.

21. D. PANTABANGAN AND THE OTHER DAMS OF UPPER PAMPANGA RIVER BASIN (1976) Various scanned Ektachrome slides … the overflow spillway of the multi-purpose Pantabangan Dam in Nueva Ecija in the aftermath of the big flood of 1976.

22. D. PANTABANGAN AND THE OTHER DAMS OF UPPER PAMPANGA RIVER BASIN (1976) Various scanned Ektachrome slides … the overflow spillway of the multi-purpose Pantabangan Dam in Nueva Ecija in the aftermath of the big flood of 1976.

23. D. PANTABANGAN AND THE OTHER DAMS OF UPPER PAMPANGA RIVER BASIN (1976) Scanned B&W prints (negatives lost) of the overflow spillway of the multi-purpose Pantabangan Dam in Nueva Ecija in the dry season of 1976.

24. D. PANTABANGAN AND THE OTHER DAMS OF UPPER PAMPANGA RIVER BASIN (1976) Scanned B&W prints (negatives lost) of the overflow spillway of the multi-purpose Pantabangan Dam in Nueva Ecija in the dry season of 1976.

25. WET and DRY

26. D. PANTABANGAN AND THE OTHER DAMS OF UPPER PAMPANGA RIVER BASIN (1976) Scanned Kodachrome slides of the diversion dam of Talavera River Irrigation Ssytem in Nueva Ecija in the dry season of 1976.

27. E. MY HOMETOWN RIVER BY THE MANILA BAY, WEST SIDE (2002) Late afternoon among the folks at the fishport in the mouth of Talisay River , in Puerto Rivas, Balanga, Bataan (my hometown) on November 2, 2002. (digital camera)

28. E. MY HOMETOWN RIVER BY THE MANILA BAY, WEST SIDE (2002) Late afternoon among the folks at the fishport in the mouth of Talisay River , in Puerto Rivas, Balanga, Bataan (my hometown) on November 2, 2002. (digital camera)